function validateContactForm() {
var themessage = "You are required to complete the following fields:\n\n";

if (document.contactForm.Your_Name.value=="") {
themessage = themessage + "* Your Name\n";
}
if (document.contactForm.Phone_Number.value=="") {
themessage = themessage + "* Phone Number\n";
}
if (document.contactForm.Email_Address.value=="") {
themessage = themessage + "* Email Address\n";
}
if (document.contactForm.Comments.value=="") {
themessage = themessage + "* Comments / Questions\n";
}
if (document.contactForm.security_code.value=="") {
themessage = themessage + "* Security Code\n";
}
if (themessage == "You are required to complete the following fields:\n\n") {
document.contactForm.submit();
}
else {
alert(themessage);
return false;
   }
}